The OM2000+ linear amplifier is designed for all short wave amateur bands from 1.8 to 29 MHz (including WARC – bands) + 50 MHz and all modes. It is equipped with a ceramic tetrode FU-728F. Full QSK-ready.

Specifications of the OM2000+:

Frequency coverage:

Amateur bands 1.8 – 29.7 MHz including WARC + 50 MHz

Power output:

2000+ W in SSB/CW on HF bands, 1500 W CW/SSB on 50 MHz 1500 W in RTTY

Input power:

40 to 60 W for full output power

Input impedance:

50 Ohm VSWR < 1.5 : 1

Output amplification:

15 dB

Output impedance:

50 Ohm unbalanced

Maximum output SWR:

2:1

SWR protection:

Automatic switching to STBY when reflected power is 250 W or higher

Intermodulation distortion:

32 dBc

Suppression of harmonics:

min -50 dBc (30–54 MHz better than 70 dBc)

Tube:

FU-728F Ceramic Tetrode

Cooling:

Centrifugal blower + axial blower

Power supply:

Can be wired for 220, 230 or 240 V – 50/60 Hz

Transformers:

One toroidal transformer 3 kVA

Protection circuits:

- High SWR

- High Anode current

- High Screen current

- High Grid current

- Mistuning of the power amplifier

- high Temperature

- Soft start for fuse protection

- Switch–on is blocked when cover is removed (dead man switch)

Indications:

- OLED display 4 lines x 20 characters

- Analog 2 systems meter for forward and reflected power

LED indicators:

- ON status

- STBY– standby

- FAULT – warnings and faults indicator

- ON AIR – amplifier in transmitting status

Features:

- Built-in antenna switch for 3 antennas (SO-239)

- Memory for faults and warning, easy maintenance

- Automatic set-up anode current (BIAS) – no need to manually adjust it after changing the tube